Electrical conduction in TiO2

Electrical conduction in TiO2
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TiO2 的导电性

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发表时间:
1970
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影响因子:
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通讯作者:
T. Pearsall
T. Pearsall
中科院分区:
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文献类型:
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作者:
T. Pearsall

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本文报道了单晶和阳极薄膜形式的TiO 2的直流和交流特性的实验研究结果。在所研究的范围内,单晶和薄膜都服从相同的直流电导率定律Iαexp V1/2。它们的交流特性也相似。这些结果可能是金属-绝缘体接触的特征,而不是氧化物本身的特征。在几乎所有的薄膜中都观察到了具有记忆的电阻开关,但在单晶中不能诱导电阻开关。没有一个现有的模型是完全成功的,在找到更好的模型之前,需要对金属-绝缘体-金属系统的结构有更全面的了解。
This paper reports the results of an experimental examination of the dc and ac properties of TiO2 in single-crystalline and anodic thin-film form. The single crystal and the thin film appear to obey the same dc conductivity law Iαexp V1/2 over the range investigated. Their ac characteristics are similar as well. These results may be characteristic of the metal-insulator contact rather than of the oxide itself. Resistance switching with memory was observed in almost all films, but it could not be induced in the single crystal. No existing model is a complete success, and a more complete understanding of the structure of a metal-insulator-metal system is needed before a better model can be found.